20481859216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{26693}}^1$

素因数の和:26769

約数の個数: 160

約数和(自身を含む): 53384583168

約数和(自身を除く): 32902723952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 112, 119, 124, 136, 182, 208, 217, 221, 238, 248, 272, 364, 403, 434, 442, 476, 496, 527, 728, 806, 868, 884, 952, 1054, 1456, 1547, 1612, 1736, 1768, 1904, 2108, 2821, 3094, 3224, 3472, 3536, 3689, 4216, 5642, 6188, 6448, 6851, 7378, 8432, 11284, 12376, 13702, 14756, 22568, 24752, 26693, 27404, 29512, 45136, 47957, 53386, 54808, 59024, 95914, 106772, 109616, 186851, 191828, 213544, 347009, 373702, 383656, 427088, 453781, 694018, 747404, 767312, 827483, 907562, 1388036, 1494808, 1654966, 1815124, 2429063, 2776072, 2989616, 3176467, 3309932, 3630248, 4858126, 5552144, 5792381, 5899153, 6352934, 6619864, 7260496, 9716252, 10757279, 11584762, 11798306, 12705868, 13239728, 14067211, 19432504, 21514558, 23169524, 23596612, 25411736, 28134422, 38865008, 41294071, 43029116, 46339048, 47193224, 50823472, 56268844, 75300953, 82588142, 86058232, 92678096, 94386448, 98470477, 112537688, 150601906, 165176284, 172116464, 182873743, 196940954, 225075376, 301203812, 330352568, 365747486, 393881908, 602407624, 660705136, 731494972, 787763816, 1204815248, 1280116201, 1462989944, 1575527632, 2560232402, 2925979888, 5120464804, 10240929608, 20481859216]

約数ペア:

[(1, 20481859216), (2, 10240929608), (4, 5120464804), (7, 2925979888), (8, 2560232402), (13, 1575527632), (14, 1462989944), (16, 1280116201), (17, 1204815248), (26, 787763816), (28, 731494972), (31, 660705136), (34, 602407624), (52, 393881908), (56, 365747486), (62, 330352568), (68, 301203812), (91, 225075376), (104, 196940954), (112, 182873743), (119, 172116464), (124, 165176284), (136, 150601906), (182, 112537688), (208, 98470477), (217, 94386448), (221, 92678096), (238, 86058232), (248, 82588142), (272, 75300953), (364, 56268844), (403, 50823472), (434, 47193224), (442, 46339048), (476, 43029116), (496, 41294071), (527, 38865008), (728, 28134422), (806, 25411736), (868, 23596612), (884, 23169524), (952, 21514558), (1054, 19432504), (1456, 14067211), (1547, 13239728), (1612, 12705868), (1736, 11798306), (1768, 11584762), (1904, 10757279), (2108, 9716252), (2821, 7260496), (3094, 6619864), (3224, 6352934), (3472, 5899153), (3536, 5792381), (3689, 5552144), (4216, 4858126), (5642, 3630248), (6188, 3309932), (6448, 3176467), (6851, 2989616), (7378, 2776072), (8432, 2429063), (11284, 1815124), (12376, 1654966), (13702, 1494808), (14756, 1388036), (22568, 907562), (24752, 827483), (26693, 767312), (27404, 747404), (29512, 694018), (45136, 453781), (47957, 427088), (53386, 383656), (54808, 373702), (59024, 347009), (95914, 213544), (106772, 191828), (109616, 186851)]